There is hereby established an Authority to be called the Samoa Ports Authority as a body corporate The functions of the Authority shall be: (a) the maintenance of adequate and efficient port services, facilities and security in ports and approaches; (b) the regulation of navigation and maintenance of navigation aids within ports and approaches; (c) the promotion of this use, improvement and development of ports; and (e) the co-ordination of all activities of or within ports and approaches, and